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@ARTICLE{Schneider:860960,
author = {Schneider, Trang and Bolger, Anthony and Zeier, Jürgen and
Preiskowski, Sabine and Benes, Vladimir and Trenkamp, Sandra
and Usadel, Björn and Farre, Eva M. and Matsubara, Shizue},
title = {{F}luctuating {L}ight {I}nteracts with {T}ime of {D}ay and
{L}eaf {D}evelopment {S}tage to {R}eprogram {G}ene
{E}xpression},
journal = {Plant physiology},
volume = {179},
issn = {1532-2548},
address = {Rockville, Md.},
publisher = {Soc.},
reportid = {FZJ-2019-01601},
pages = {1632-1657},
year = {2019},
abstract = {Natural-light environments are highly variable. Flexible
adjustment between light energy utilization and
photoprotection is therefore of vital importance for plant
performance and fitness in the field. Short-term reactions
to changing light intensity are triggered inside
chloroplasts and leaves within seconds to minutes, whereas
long-term adjustments proceed over hours and days,
integrating multiple signals. While the mechanisms of
long-term acclimation to light intensity have been studied
by changing constant growth light intensity during the day,
responses to fluctuating growth light intensity have rarely
been inspected in detail. We performed transcriptome
profiling in Arabidopsis (Arabidopsis thaliana) leaves to
investigate long-term gene expression responses to
fluctuating light (FL). In particular, we examined whether
responses differ between young and mature leaves or between
morning and at the end of the day. Our results highlight
global reprogramming of gene expression under FL, including
that of genes related to photoprotection, photosynthesis and
photorespiration and to pigment, prenylquinone and vitamin
metabolism. The FL-induced changes in gene expression varied
between young and mature leaves at the same time point, and
between the same leaves in the morning and at the end of the
day, indicating interactions of FL acclimation with leaf
development stage and time of day. Only 46 genes were up- or
downregulated in both young and mature leaves at both time
points. Combined analyses of gene co-expression and
cis-elements pointed to a role of the circadian clock and
light in coordinating the acclimatory responses of
functionally related genes. Our results also suggest a
possible crosstalk between FL acclimation and systemic
acquired resistance-like gene expression in young leaves.},
cin = {IBG-2},
ddc = {580},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {582 - Plant Science (POF3-582)},
pid = {G:(DE-HGF)POF3-582},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:30718349},
UT = {WOS:000462993100039},
doi = {10.1104/pp.18.01443},
url = {https://juser.fz-juelich.de/record/860960},
}